[COOK-4113] - correct method dir/script perms

* The method_dir should be 0755
* The chef-client script should be 0555 (read/execute for all) to
  match other method scripts
Merge pull request #137 from opscode-cookbooks/COOK-4113

[COOK-4113] - correct method dir/script perms
Version bump to v3.1.2
 [COOK-3874] Revert f64d9017 from main server_test

Signed-off-by: Sean OMeara <someara@opscode.com>
[COOK-3885] Correctly pass client_bin to the template

Signed-off-by: Sean OMeara <someara@opscode.com>
Merge branch 'master' of github.com:opscode-cookbooks/chef-client
[COOK-3848] allow disabling splay

Signed-off-by: Sean OMeara <someara@opscode.com>
Updating style to pass most rubocops, Updating test-kitchen harness
Version bump to v3.2.0
Version bump to v3.2.1